3.51 The challenge must be met if the rating system is to succeed, if it is to produce ratings that will satisfy the players and the users of the rating list.
| Player | Rounds | Elo | SRM |
|---|---|---|---|
| hadisdc | 4 | 1786 | 789 |
| Rating | perf | err | err2 | |ΔR| | ΔR min | ΔR max | max | R | rank |
|---|---|---|---|---|---|---|---|---|---|
| initial | 0.137 | 0.505 | 0.678 | 60.8 | -49 | 151 | 1306 | 1266 | 6120 |
| Odd | 0.176 | 0.530 | 0.696 | 87.0 | -52 | 225 | 1681 | 1657 | 6023 |
| SRMFix | 0.160 | 0.536 | 0.700 | 79.3 | -104 | 159 | 1273 | 1236 | 6408 |
| EloSRM | 0.169 | 0.538 | 0.700 | 92.3 | -67 | 227 | 1816 | 1786 | 5985 |
| SRM | -0.145 | 0.670 | 0.750 | 144.8 | -324 | 84 | 876 | 789 | 7575 |
| # | date | round | division | rank | seed | perf | Δ Elo | Elo new | Elo rank | Δ SRM | SRM new | SRM rank |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 2009-09-23 | SRM 449 | 2 | 561 | 579.09 | -0.38 | -29 | 1786 | 5985 | -61 | 789 | 7575 |
| 3 | 2009-09-10 | SRM 448 | 2 | 294 | 720.97 | 1.29 | 227 | 1816 | 5698 | 84 | 850 | 6957 |
| 2 | 2009-06-13 | SRM 442 | 2 | 695 | 755.35 | 0.12 | 46 | 1589 | 7753 | -110 | 766 | 7948 |
| 1 | 2009-05-27 | SRM 441 | 2 | 727 | 684.62 | -0.36 | -67 | 1543 | 8775 | -324 | 876 | 6770 |